McCormick Blueberry Extract, 1 fl oz Bottle. For a sweet, blueberry-flavored bite reach for McCormick Blueberry Extract with Other Natural Flavors. The bright, ripened blueberry flavor of this popular extract is a memorable addition to baking, elevating cookies, cakes, pies, pancakes, frostings, quick breads, and so much more.Delivering consistent flavor and aroma cross every bottle, you can stir blueberry extract into pancake or waffle batter, blueberry muffins, cookie dough, homemade ice cream